ElectrochemistryRules and Exceptions of Oxidation Number31Choose the best answerThe oxidation states of oxygen in OF₂ and H₂O₂ are respectively:A−2, −1B+2, −1C−1, +2D+2, +1 Like 0 Discuss 0Share
ElectrochemistryAnode and Cathode Reactions32Choose the best answerThe reactions occurring at the anode and cathode are respectively:AOxidation and reductionBReduction and hydrolysisCReduction and oxidationDOxidation and hydrolysis Like 0 Discuss 0Share
ElectrochemistryStandard Hydrogen Electrode33Choose the best answerWhich statement is NOT correct for the standard hydrogen electrode?APlatinum black is used on the Pt electrodeBThe standard temperature is commonly taken as 298 KCA 1 M H₂SO₄ solution is specifically requiredDIt is used as a reference for measuring electrode potentials Like 0 Discuss 0Share
ElectrochemistryElectrochemical Series34Choose the best answerStandard electrode potentials in the electrochemical series are arranged relative to the:ApH scaleBpKa scaleCpOH scaleDHydrogen reference scale Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Electrochemistry#Oxidation Number35Choose the best answerWhich step is irrelevant with respect to balancing of redox equations by oxidation number method?ASplit the reaction into two half reactionsBAssign oxidation number to all the atoms involved in the equationCIdentify the element undergoing a change in oxidation numberDEqualize the number of electrons lost and gained Like 0 Discuss 0Share